Better Call Reward: Reward Hacking as Strategic Abstention in Legal Reasoning Models

arXiv:2610.06439 · cs.LG, cs.AI, cs.CL, cs.CY · Submitted 2026-10-05 · Read on arXiv

cs.LG, cs.AI, cs.CL, cs.CY

Submitted: 2026-10-05

Updated: 2026-10-05

Terminology

• Abstention — 1× in this paper · explained in 1 episode
• Reward Hacking — 1× in this paper · explained in 8 episodes

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